18827284

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 39053056

約数和(自身を除く): 20225772

約数列:

[1, 2, 4, 7, 14, 28, 61, 73, 122, 146, 151, 244, 292, 302, 427, 511, 604, 854, 1022, 1057, 1708, 2044, 2114, 4228, 4453, 8906, 9211, 11023, 17812, 18422, 22046, 31171, 36844, 44092, 62342, 64477, 77161, 124684, 128954, 154322, 257908, 308644, 672403, 1344806, 2689612, 4706821, 9413642, 18827284]

約数ペア:

[(1, 18827284), (2, 9413642), (4, 4706821), (7, 2689612), (14, 1344806), (28, 672403), (61, 308644), (73, 257908), (122, 154322), (146, 128954), (151, 124684), (244, 77161), (292, 64477), (302, 62342), (427, 44092), (511, 36844), (604, 31171), (854, 22046), (1022, 18422), (1057, 17812), (1708, 11023), (2044, 9211), (2114, 8906), (4228, 4453)]